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Ethanol has a Kb of 1.22 C/m and usually boils at 78.4 C. How many mol of an nonionizing solute would need to be added

Ethanol has a Kb of 1.22 C/m and usually boils at 78.4 C. How many mol of an nonionizing solute would need to be added to 44.81 g ethanol in order to raise the boiling point to 85.1 C.

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